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NSH10 Series gear pumps
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Description
Overview
The NSH10 series gear pump is a high-performance external hydraulic gear pump, renowned for its reliability, compact structure, and wide adaptability. Engineered with precision, it is specifically designed to deliver stable hydraulic power for various industrial, agricultural, and construction applications. As a positive displacement pump, it ensures consistent fluid output under different operating conditions, making it a preferred choice for hydraulic systems requiring predictable performance.
Operating Principle
Following the working principle of external meshing gear pumps, the NSH10 series operates through the rotation of two interlocking gears (a driving gear and an idler gear) enclosed in an aluminum casing. When the driving gear rotates (powered by a splined shaft), it drives the idler gear to rotate in the opposite direction. This rotation creates a low-pressure area at the inlet, drawing hydraulic fluid into the gaps between the gear teeth and the casing. The trapped fluid is then conveyed around the casing perimeter to the outlet side. As the gear teeth mesh at the outlet, the volume of the fluid-containing gaps decreases, generating high pressure that forces the fluid into the hydraulic circuit.
Key Structural Components
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Pump Casing: Constructed from high-quality aluminum alloy, it features a robust design that ensures durability while reducing overall weight. The casing integrates precision-machined fluid channels for optimal flow efficiency.
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Gear Set: A pair of meshing involute gears that form the core working unit, responsible for fluid suction and discharge. The gears are engineered for wear resistance and smooth operation.
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Driving Shaft: Adopts an involute spline design, ensuring secure power transmission and compatibility with various drive systems. The shaft is supported by high-performance bushings to minimize friction.
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Sealing & Cover Assemblies: Front and rear covers seal the internal fluid path, while high-quality seals prevent leakage. This assembly also supports the shaft and ensures stable operation under high pressure.
Technical Specifications
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Parameter
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Value
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|---|---|
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Displacement
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10 cc/rev
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|
Rated Pressure
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18 MPa (2610 psi)
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|
Maximum Intermittent Pressure
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21 MPa (3045 psi)
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|
Rated Speed
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2000 r/min
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|
Maximum Speed
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4200 r/min
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|
Fluid Viscosity Range
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7.5 – 10 cSt (suitable for mineral hydraulic oils)
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|
Weight
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Approx. 3 kg
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|
Flange Type
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Type B Square Flange
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Applications
The NSH10 series gear pump is widely used in hydraulic systems across multiple industries, including:
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Agricultural machinery: Hydraulic systems for tractors, harvesters, and farm implements (e.g., lift mechanisms for attachments).
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Construction equipment: Small excavators, loaders, and road maintenance machinery.
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Material handling: Hydraulic drives for forklifts and conveyor systems.
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Industrial vehicles: Steering systems and hydraulic cylinders for various mobile equipment.
Core Advantages
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Durability: Aluminum alloy casing and wear-resistant components ensure a long service life under proper operation.
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Stable Performance: Positive displacement mechanism delivers consistent flow and pressure, with a volumetric efficiency of 0.8 – 0.9.
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Compact Design: Small size and light weight facilitate easy integration into space-constrained systems.
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Cost-Effectiveness: Simple structure reduces maintenance requirements and overall ownership costs, with OEM/ODM services available.
Installation & Maintenance Notes
To ensure optimal performance and longevity:
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Select hydraulic oil that meets viscosity requirements and maintain oil cleanliness.
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Ensure the installation dimensions comply with GSTU and GOST standards for compatibility.
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Regularly inspect seals and bushings for leakage or wear, and replace them promptly if damaged.
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Avoid operating the pump beyond the specified pressure and speed limits to prevent component failure.
gear pump
Shipping & Delivery
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